1. Department of Diabetes and Endocrinology (H.D.W., A.M.A., A.A.J., J.P.V.), Royal Liverpool University Hospital, Liverpool L7 8XP, United Kingdom;
2. Department of Musculoskeletal Biology (B.H.D., W.D.F.), Institute of Aging and Chronic Disease, University of Liverpool, Liverpool L69 3GA, United Kingdom